Frequency changes in storage protein genes in a hybrid bulk population of barley

Autor:	John A. Barrett, J B R Hayter, K. M. Ibrahim
Rok vydání:	1996
Předmět:	Genetics chemistry.chemical_classification education.field_of_study Mildew biology Population food and beverages biology.organism_classification Endosperm chemistry Hordein Storage protein Hordeum vulgare education Inbreeding Genetics (clinical) Powdery mildew
Zdroj:	Heredity. 77:231-239
ISSN:	1365-2540 0018-067X
DOI:	10.1038/hdy.1996.136
Popis:	Changes of frequency at three hordein loci were investigated in Composite Cross Five (CCV) of barley using SDS-PAGE of endosperm proteins. The frequency of individual banding patterns, as well as pattern combinations, showed directional trends in successive generations. This suggests that selection has favoured certain allelic combinations at two hordein loci, Horl and Hor2. We argue that the selective advantage of resistance to powdery mildew, the inbreeding nature of barley, and linkage between some major mildew resistance genes and the hordein loci could have led to the observed shifts.
Databáze:	OpenAIRE
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